386 Motherboard Settings and Configuration

Processor	80386DX
Processor Speed	16/20/25MHz
Chip Set	C & T
Max. Onboard DRAM	8MB
Cache	None
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit external memory card slot
NPU Options	80387

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J16	Speaker	J20
Power LED & keylock	J17	External battery	J22
Turbo LED 1	J18	Turbo LED 2	J23
Reset switch	J19	32-bit external memory card	S1

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	NPU mode select synchronous with CPU	JP1	Open
	NPU mode select asynchronous with CPU	JP1	Closed
»	NPU absent	JP2	Open
	NPU present	JP2	Closed
»	Pipeline mode enabled	JP3	Closed
	Pipeline mode disabled	JP3	Open
»	NPU enabled	JP4	Closed
	NPU disabled	JP4	Open
»	Monitor type select color	JP7	Closed
	Monitor type select monochrome	JP7	Open
»	CPU speed select low (OSC2)	J16	Open
	CPU speed select high (OSC3)	J16	Closed
»	Battery type select internal	J22	pins 2 & 3 closed
	Battery type select external	J22	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9

DRAM JUMPER CONFIGURATION
Type	JP5	JP6
SIMM Banks 0 & 1, DRAM card Banks 2 & 3	pins 2 & 3, 4 & 5 closed	pins 2 & 3, 4 & 5 closed
DRAM card Banks 0 & 1, SIMM Banks 2 & 3	pins 1 & 2, 5 & 6 closed	pins 1 & 2, 5 & 6 closed
Note:When using onboard SIMMs only select default setting.